From: Chuck Lever <chuck.lever@oracle.com>
To: anna.schumaker@netapp.com, trondmy@hammerspace.com
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v1 1/4] SUNRPC: Capture signalled RPC tasks
Date: Mon, 23 Dec 2019 10:28:28 -0500 [thread overview]
Message-ID: <20191223152828.17724.72543.stgit@manet.1015granger.net> (raw)
In-Reply-To: <20191223152539.17724.52438.stgit@manet.1015granger.net>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---
include/trace/events/sunrpc.h | 1 +
net/sunrpc/sched.c | 4 +++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h
index 8c73ffb5f7fd..ee993575d2fa 100644
--- a/include/trace/events/sunrpc.h
+++ b/include/trace/events/sunrpc.h
@@ -185,6 +185,7 @@
DEFINE_RPC_RUNNING_EVENT(begin);
DEFINE_RPC_RUNNING_EVENT(run_action);
DEFINE_RPC_RUNNING_EVENT(complete);
+DEFINE_RPC_RUNNING_EVENT(signalled);
DEFINE_RPC_RUNNING_EVENT(end);
DECLARE_EVENT_CLASS(rpc_task_queued,
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 9c79548c6847..55e900255b0c 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -846,6 +846,8 @@ void rpc_signal_task(struct rpc_task *task)
if (!RPC_IS_ACTIVATED(task))
return;
+
+ trace_rpc_task_signalled(task, task->tk_action);
set_bit(RPC_TASK_SIGNALLED, &task->tk_runstate);
smp_mb__after_atomic();
queue = READ_ONCE(task->tk_waitqueue);
@@ -949,7 +951,7 @@ static void __rpc_execute(struct rpc_task *task)
* clean up after sleeping on some queue, we don't
* break the loop here, but go around once more.
*/
- dprintk("RPC: %5u got signal\n", task->tk_pid);
+ trace_rpc_task_signalled(task, task->tk_action);
set_bit(RPC_TASK_SIGNALLED, &task->tk_runstate);
task->tk_rpc_status = -ERESTARTSYS;
rpc_exit(task, -ERESTARTSYS);
next prev parent reply other threads:[~2019-12-23 15:28 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-23 15:28 [PATCH v1 0/4] NFS/RPC patches for v5.6 Chuck Lever
2019-12-23 15:28 ` Chuck Lever [this message]
2019-12-23 15:28 ` [PATCH v1 2/4] NFS: Introduce trace events triggered by page writeback errors Chuck Lever
2019-12-23 15:28 ` [PATCH v1 3/4] NFS4: Report callback authentication errors Chuck Lever
2019-12-23 15:28 ` [PATCH v1 4/4] SUNRPC: call_connect_status should handle -EPROTO Chuck Lever
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